Inventor

YU YOULU

US77 patents

⚠️ This page may combine multiple inventors who share the name “YU YOULU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YU YOULU

CHEVRON PHILLIPS CHEMICAL CO

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution

Polymerization catalysts for producing polymers with low levels of long chain branching

Polymerization catalysts for producing polymers with low levels of long chain branching

Organometal compound catalyst

Polymerization catalysts for producing polymers with low levels of long chain branching

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

Catalyst system with three metallocenes for producing broad molecular weight distribution polymers

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen

Catalyst compositions for the polymerization of olefins

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

Use of hydrogen and an organozinc compound for polymerization and polymer property control

Half-metallocene compounds and catalyst compositions

Polymerization catalysts for producing polymers with low melt elasticity

Catalyst systems for production of alpha olefin oligomers and polymers

CHEVRON PHILLIPS CHEMICAL CO LP

Long chain branched polymers and methods of making same

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Dual catalyst system for producing LLDPE copolymers with improved processability

Long chain branched polymers and methods of making same

Long chain branched polymers and methods of making same

Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications

Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution

Particle size control of supported chromium catalysts in loop slurry polymerization reactors

Dual catalyst system for producing polyethylene with long chain branching for blow molding applications

Dual catalyst system for producing high density polyethylenes with long chain branching

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Ziegler-natta—metallocene dual catalyst systems with activator-supports

Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina

Ziegler-Natta—metallocene dual catalyst systems with activator-supports

Polyethylene compositions and methods of making and using same

Bimodal polyethylene copolymers

Polymer composition and methods of making and using same

Peroxide treated blow molding polymers with increased weight swell and constant die swell

YANG QING

Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen

Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen

Polymerization catalysts for producing polymers with low melt elasticity

Polymer compositions for blow molding applications

DING ERRUN

Catalyst systems and polymer resins having improved barrier properties

Half-metallocene compounds and catalyst compositions

Use of hydrogen and an organozinc compound for polymerization and polymer property control

PHILLIPS PETROLEUM CO

Organometal compound catalyst

Organometal compound catalyst

YU YOULU

Long chain branched polymers and methods of making same

Hyperbranched polymers and methods of making and using same

CHEVERON PHILLIPS CHEMICAL COM

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

HLAVINKA MARK L

Catalyst systems for production of alpha olefin oligomers and polymers

LOWCHOL SCIENT INC

Ferric ion coordinated polyamine resins for the lowering of blood cholesterol